MAX6448UK46L+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics:
  • Monitors the voltage level of a power supply and generates a reset signal when the voltage falls below a specified threshold.
  • Provides a reliable way to ensure proper operation of electronic systems by preventing them from operating in an undervoltage condition.
• Package: SOT23-5
• Essence: Voltage monitoring and reset functionality in a compact package.
• Packaging/Quantity: Tape and Reel, 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 4.63V
• Reset Timeout Period: 140ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6448UK46L+T IC has the following pin configuration:

1. GND: Ground connection.
2. RESET: Output reset signal.
3. MR: Manual reset input.
4. VCC: Positive power supply connection.
5. TH: Threshold voltage selection pin.

Functional Features

• Voltage Monitoring: The MAX6448UK46L+T continuously monitors the voltage level of the power supply.
• Reset Generation: When the voltage falls below the threshold voltage, the IC generates a reset signal.
• Manual Reset: The manual reset input allows for immediate system reset if required.
• Adjustable Threshold: The threshold voltage can be selected using the TH pin.
• Power-On Reset Delay: The IC provides a delay before generating the reset signal during power-up to allow for stable power supply voltage.

Advantages and Disadvantages

Advantages: - Compact size and easy integration into electronic systems. - Reliable voltage monitoring and reset functionality. - Adjustable threshold voltage for flexibility. - Power-on reset delay for stable operation during power-up.

Disadvantages: - Limited threshold voltage options. - Single-channel voltage monitoring.

Working Principles

The MAX6448UK46L+T operates by continuously monitoring the voltage level of the power supply. It compares the supply voltage with the selected threshold voltage. If the supply voltage falls below the threshold, the IC generates a reset signal. The manual reset input allows for immediate system reset if required. The power-on reset delay ensures that the reset signal is not generated immediately during power-up, allowing the power supply voltage to stabilize.

Detailed Application Field Plans

The MAX6448UK46L+T is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are essential. Some application fields include:

1. Microcontrollers: Ensuring proper operation of microcontroller-based systems by preventing them from operating in an undervoltage condition.
2. Industrial Control Systems: Providing a reliable reset mechanism for industrial control systems to avoid malfunctioning due to low voltage.
3. Battery-Powered Devices: Monitoring battery voltage to prevent damage or data loss caused by undervoltage conditions.
4. Automotive Electronics: Protecting automotive electronic systems from undervoltage situations, ensuring safe and reliable operation.

Detailed and Complete Alternative Models

1. MAX6412UK46-T: Similar voltage monitor and reset circuit with a different package (SOT23-5).
2. MAX6389UK26D3+T: Voltage monitor and reset circuit with adjustable threshold voltage and different package (SOT23-6).
3. MAX6316LUK29CY-T: Voltage monitor and reset circuit with fixed threshold voltage and different package (SOT23-5).

(Note: This list is not exhaustive and there may be other alternative models available in the market.)

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